[updatecli] Update latest snapshot to 9.1.0-816a9a12#2561

mrodm merged 2 commits intomainelastic/elastic-package:mainfrom

updatecli_main_bump-latest-9x-elastic-stack-versionelastic/elastic-package:updatecli_main_bump-latest-9x-elastic-stack-versionCopy head branch name to clipboard